Show captain A 0 tibbetts the well known mining engineer arrived in salt lake city I 1 de dec e from the yerington mining district and gave a glowing account of the property of the mason valley copper company s situated in that district he brought fine samples nf 0 copper ore taken at feet depth A double compartment shaft will be sunk to feet and soon be equipped with 4 a gasoline hoist with electric power at feet from the portal of the te yerington central companas comp anys tunnel seven feet of sul leadville hindered by car shortage is malting making an output of tons of ore per month or an average of tons daily |